import type { AbilityDefinition } from "./abilityCatalog";
import type { AuraDefinition, AuraModifier } from "./combatAuras";

/** RuneWaker's local payload for Scout/Priest passive 493010. */
export const ROM_SCOUT_PRIEST_DRUMS_OF_WAR = Object.freeze({
  passiveSpellId: 493010,
  triggerSpellId: 490423,
  internalCooldownMs: 15_000,
  durationMs: 8_000,
  radius: 50,
  modifiers: [
    { kind: "stat", stat: "physical-critical-strike", operation: "flat", value: 20 },
    { kind: "stat", stat: "magical-critical-strike", operation: "flat", value: 20 },
  ] satisfies readonly AuraModifier[],
  cooldownKey: "rom-scout-priest:drums-of-war",
});

export const ROM_SCOUT_PRIEST_DRUMS_OF_WAR_AURA: AuraDefinition = Object.freeze({
  id: "rom-scout-priest:drums-of-war",
  name: "Drums of War",
  description: "Increases physical and magical critical strike by 20 for 8 seconds.",
  disposition: "buff",
  durationMs: ROM_SCOUT_PRIEST_DRUMS_OF_WAR.durationMs,
  stackBehavior: "replace",
  uniqueBySource: true,
  modifiers: ROM_SCOUT_PRIEST_DRUMS_OF_WAR.modifiers,
});

export interface RomScoutPriestDrumsOfWarProc {
  readonly internalCooldownMs: number;
  readonly durationMs: number;
  /** The RuneWaker tooltip says nearby party; 50 is from the CoA range field. */
  readonly radius: number;
  readonly scope: "party";
  readonly modifiers: readonly AuraModifier[];
}

/** Select Drums of War's exact sourced payload after a landed Shot when its ICD is ready. */
export function romScoutPriestDrumsOfWarProc(
  characterClassId: string,
  secondaryClassId: string | null | undefined,
  ability: Pick<AbilityDefinition, "source" | "classId" | "dbcSpellId">,
  learnedPassiveSpellIds: readonly number[],
  landed: boolean,
  now: number,
  readyAt: number,
  attackKind: "melee" | "ranged" | "spell" = "ranged",
): RomScoutPriestDrumsOfWarProc | null {
  if (characterClassId !== "rom-scout"
    || secondaryClassId !== "rom-priest"
    || ability.source !== "runewaker"
    || ability.classId !== "rom-scout"
    || ability.dbcSpellId !== ROM_SCOUT_PRIEST_DRUMS_OF_WAR.triggerSpellId
    || attackKind !== "ranged"
    || !learnedPassiveSpellIds.includes(ROM_SCOUT_PRIEST_DRUMS_OF_WAR.passiveSpellId)
    || !landed
    || now < readyAt) return null;

  return {
    internalCooldownMs: ROM_SCOUT_PRIEST_DRUMS_OF_WAR.internalCooldownMs,
    durationMs: ROM_SCOUT_PRIEST_DRUMS_OF_WAR.durationMs,
    radius: ROM_SCOUT_PRIEST_DRUMS_OF_WAR.radius,
    scope: "party",
    modifiers: ROM_SCOUT_PRIEST_DRUMS_OF_WAR.modifiers,
  };
}